NFSv4.1: Rename the pnfs_put_lseg_common to pnfs_layout_remove_lseg
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Thu, 20 Sep 2012 20:33:30 +0000 (16:33 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Fri, 28 Sep 2012 20:03:13 +0000 (16:03 -0400)
The latter name is more descriptive of the actual function.
Also rename pnfs_insert_layout to pnfs_layout_insert_lseg.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/pnfs.c

index ac94fb86fd196a6e88341d2b5f92c9a5e22c38c7..33273b3a330f26f26c6803edbf70ce2c48db0775 100644 (file)
@@ -319,21 +319,22 @@ static void free_lseg(struct pnfs_layout_segment *lseg)
        struct inode *ino = lseg->pls_layout->plh_inode;
 
        NFS_SERVER(ino)->pnfs_curr_ld->free_lseg(lseg);
-       /* Matched by pnfs_get_layout_hdr in pnfs_insert_layout */
+       /* Matched by pnfs_get_layout_hdr in pnfs_layout_insert_lseg */
        pnfs_put_layout_hdr(NFS_I(ino)->layout);
 }
 
 static void
-pnfs_put_lseg_common(struct pnfs_layout_segment *lseg)
+pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo,
+               struct pnfs_layout_segment *lseg)
 {
-       struct inode *inode = lseg->pls_layout->plh_inode;
+       struct inode *inode = lo->plh_inode;
 
        WARN_ON(test_bit(NFS_LSEG_VALID, &lseg->pls_flags));
        list_del_init(&lseg->pls_list);
-       if (list_empty(&lseg->pls_layout->plh_segs)) {
-               set_bit(NFS_LAYOUT_DESTROYED, &lseg->pls_layout->plh_flags);
+       if (list_empty(&lo->plh_segs)) {
+               set_bit(NFS_LAYOUT_DESTROYED, &lo->plh_flags);
                /* Matched by initial refcount set in alloc_init_layout_hdr */
-               pnfs_put_layout_hdr_locked(lseg->pls_layout);
+               pnfs_put_layout_hdr_locked(lo);
        }
        rpc_wake_up(&NFS_SERVER(inode)->roc_rpcwaitq);
 }
@@ -341,6 +342,7 @@ pnfs_put_lseg_common(struct pnfs_layout_segment *lseg)
 void
 pnfs_put_lseg(struct pnfs_layout_segment *lseg)
 {
+       struct pnfs_layout_hdr *lo;
        struct inode *inode;
 
        if (!lseg)
@@ -349,13 +351,14 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg)
        dprintk("%s: lseg %p ref %d valid %d\n", __func__, lseg,
                atomic_read(&lseg->pls_refcount),
                test_bit(NFS_LSEG_VALID, &lseg->pls_flags));
-       inode = lseg->pls_layout->plh_inode;
+       lo = lseg->pls_layout;
+       inode = lo->plh_inode;
        if (atomic_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) {
                LIST_HEAD(free_me);
 
-               pnfs_put_lseg_common(lseg);
-               list_add(&lseg->pls_list, &free_me);
+               pnfs_layout_remove_lseg(lo, lseg);
                spin_unlock(&inode->i_lock);
+               list_add(&lseg->pls_list, &free_me);
                pnfs_free_lseg_list(&free_me);
        }
 }
@@ -443,7 +446,7 @@ static int mark_lseg_invalid(struct pnfs_layout_segment *lseg,
                dprintk("%s: lseg %p ref %d\n", __func__, lseg,
                        atomic_read(&lseg->pls_refcount));
                if (atomic_dec_and_test(&lseg->pls_refcount)) {
-                       pnfs_put_lseg_common(lseg);
+                       pnfs_layout_remove_lseg(lseg->pls_layout, lseg);
                        list_add(&lseg->pls_list, tmp_list);
                        rv = 1;
                }
@@ -861,7 +864,7 @@ cmp_layout(struct pnfs_layout_range *l1,
 }
 
 static void
-pnfs_insert_layout(struct pnfs_layout_hdr *lo,
+pnfs_layout_insert_lseg(struct pnfs_layout_hdr *lo,
                   struct pnfs_layout_segment *lseg)
 {
        struct pnfs_layout_segment *lp;
@@ -1211,7 +1214,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
        init_lseg(lo, lseg);
        lseg->pls_range = res->range;
        pnfs_get_lseg(lseg);
-       pnfs_insert_layout(lo, lseg);
+       pnfs_layout_insert_lseg(lo, lseg);
 
        if (res->return_on_close) {
                set_bit(NFS_LSEG_ROC, &lseg->pls_flags);